dmd.mars

Entry point for DMD.

This modules defines the entry point (main) for DMD, as well as related utilities needed for arguments parsing, path manipulation, etc... This file is not shared with other compilers which use the DMD front-end.

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Functions

_Dmain int _Dmain(char[][]): Manual D main (for druntime initialization), which forwards to tryMain.
addDefaultVersionIdentifiers void addDefaultVersionIdentifiers(const ref Param params): Add default version identifier for dmd, and set the target platform in params. https://dlang.org/spec/version.html#predefined-versions
createModules Modules createModules(ref Strings files, ref Strings libmodules): Creates the list of modules based on the files provided
flushMixins void flushMixins(): we want to write the mixin expansion file also on error, but there are too many ways to terminate dmd (e.g. fatal() which calls exit(EXIT_FAILURE)), so we can't rely on scope(exit) ... in tryMain() actually being executed so we add atexit(&flushMixins); for those fatal exits (with the GC still valid)
getenv_setargv void getenv_setargv(const(char)* envvalue, Strings* args): Parses an environment variable containing command-line flags and append them to args.
main
int main(int argc, char** argv): DMD's entry point, C main.
parseCommandLine bool parseCommandLine(const ref Strings arguments, const size_t argc, ref Param params, ref Strings files): Parse command line arguments.
parse_arch_arg const(char)* parse_arch_arg(Strings* args, const(char)* arch): Parse command line arguments for the last instance of -m32, -m64 or -m32mscoff to detect the desired architecture.
parse_conf_arg const(char)[] parse_conf_arg(Strings* args): Parse command line arguments for the last instance of -conf=path.
printInternalFailure void printInternalFailure(FILE* stream): Print DMD's logo with more debug information and error-reporting pointers.
reconcileCommands void reconcileCommands(ref Param params, size_t numSrcFiles): Adjust gathered command line switches and reconcile them.
setTarget void setTarget(ref Param params): Set the is target fields of params according to the TARGET value.
tryMain
int tryMain(size_t argc, const(char)** argv, ref Param params): DMD's real entry point

dmd.mars

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